bitops api · Maintained

Maintainers

• M Yury Norov <yury.norov@gmail.com>
• R Rasmus Villemoes <linux@rasmusvillemoes.dk>

Paths

• F arch/*/include/asm/bitops.h
• F arch/*/include/asm/bitops_32.h
• F arch/*/include/asm/bitops_64.h
• F arch/*/lib/bitops.c
• F include/asm-generic/bitops
• F include/asm-generic/bitops.h
• F include/linux/bitops.h
• F include/linux/bitrev.h
• F include/linux/count_zeros.h
• F lib/bitrev.c
• F lib/hweight.c
• F lib/test_bitops.c
• F lib/tests/bitops_kunit.c
• F tools/*/bitops*

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• COLD36d REVIEWED: 1 (0M) [PATCH v2 3/5] bitops: Define generic___bitrev8/16/32 for reuse
  2026-05-06 · Yury Norov <hidden>
• COLD36d [PATCH v2 2/5] lib/bitrev: Introduce GENERIC_BITREVERSE
  2026-05-06 · Yury Norov <hidden>
• COLD36d [PATCH 5/6] lib: compile generic bitrev.c conditionally on GENERIC_BITREVERSE
  2026-04-30 · Yury Norov <hidden>
• COLD36d REVIEWED: 1 (0M) [PATCH 3/6] bitops: Define generic __bitrev8/16/32 for reuse
  2026-04-30 · Yury Norov <hidden>
• COLD36d [PATCH 2/6] lib/bitrev: Introduce GENERIC_BITREVERSE and cleanup Kconfig
  2026-04-30 · Yury Norov <hidden>
• STALE462d [PATCH v4 01/13] bitops: Change parity8() to parity_odd() with u64 input and bool return type
  2025-04-09 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE484d [PATCH v3 02/16] bitops: Add parity16(), parity32(), and parity64() helpers
  2025-03-06 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE484d [PATCH v3 01/16] bitops: Change parity8() return type to bool
  2025-03-06 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE514d Re: [PATCH v2 01/18] lib/parity: Add __builtin_parity() fallback implementations
  2025-03-02 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE514d [PATCH v2 18/18] bitops: Add parity() macro for automatic type-based selection
  2025-03-01 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE514d [PATCH v2 03/18] bitops: Add parity16(), parity32(), and parity64() helpers
  2025-03-01 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE514d [PATCH v2 02/18] bitops: Optimize parity8() using __builtin_parity()
  2025-03-01 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE517d Re: [PATCH 02/17] bitops: Add generic parity calculation for u64
  2025-02-25 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE517d Re: [PATCH 02/17] bitops: Add generic parity calculation for u64
  2025-02-25 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE517d Re: [PATCH 02/17] bitops: Add generic parity calculation for u64
  2025-02-24 · Yury Norov <yury.norov@gmail.com>
• STALE517d [PATCH 02/17] bitops: Add generic parity calculation for u64
  2025-02-23 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE517d [PATCH 01/17] bitops: Add generic parity calculation for u32
  2025-02-23 · Kuan-Wei Chiu <visitorckw@gmail.com>
• STALE781d REVIEWED: 2 (1M) [PATCH net-next v16 14/15] p4tc: add set of P4TC table kfuncs
  2024-04-10 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE845d REVIEWED: 2 (1M) [PATCH net-next v15 14/15] p4tc: add set of P4TC table kfuncs
  2024-04-08 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE848d REVIEWED: 2 (1M) [PATCH net-next v14 14/15] p4tc: add set of P4TC table kfuncs
  2024-04-04 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE793d REVIEWED: 9 (9M) [PATCH net-next v6 06/21] bitops: let the compiler optimize {__,}assign_bit()
  2024-03-27 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE793d REVIEWED: 9 (9M) [PATCH net-next v6 05/21] bitops: make BYTES_TO_BITS() treewide-available
  2024-03-27 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE793d REVIEWED: 1 (1M) [PATCH net-next v6 04/21] bitops: add missing prototype check
  2024-03-27 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE851d [PATCH net-next v13 14/15] p4tc: add set of P4TC table kfuncs
  2024-03-25 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE878d REVIEWED: 1 (1M) [PATCH net-next v12 14/15] p4tc: add set of P4TC table kfuncs
  2024-02-25 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE851d REVIEWED: 1 (1M) [PATCH net-next v5 06/21] bitops: let the compiler optimize {__,}assign_bit()
  2024-02-01 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE851d REVIEWED: 1 (1M) [PATCH net-next v5 05/21] bitops: make BYTES_TO_BITS() treewide-available
  2024-02-01 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE851d REVIEWED: 1 (1M) [PATCH net-next v5 04/21] bitops: add missing prototype check
  2024-02-01 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE892d [PATCH v10 net-next 14/15] p4tc: add set of P4TC table kfuncs
  2024-01-22 · Jamal Hadi Salim <jhs@mojatatu.com>
• STALE964d [PATCH net-next v9 14/15] p4tc: add set of P4TC table kfuncs
  2023-12-01 · Jamal Hadi Salim <jhs@mojatatu.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD36d REVIEWED: 1 (0M) [PATCH v2 3/5] bitops: Define generic___bitrev8/16/32 for reuse
  2026-05-06 · Yury Norov <hidden> · 1 Reviewed-by